On Tue, Aug 28, 2018 at 10:41:46AM -0700, Lucas De Marchi wrote:
> Document it like a real struct for ease of copy and paste, remove
> comment of C99 compatibility and document that in some cases the first 2
> fields can be u16.
>
> Cc: Chris Wilson <[email protected]>
> Signed-off-by: Lucas De Marchi <[email protected]>
> ---
> include/drm/i915_pciids.h | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
> index 754ce4b10129..0c2cc43f916c 100644
> --- a/include/drm/i915_pciids.h
> +++ b/include/drm/i915_pciids.h
> @@ -26,14 +26,16 @@
> #define _I915_PCIIDS_H
>
> /*
> - * A pci_device_id struct {
> - * __u32 vendor, device;
> - * __u32 subvendor, subdevice;
> - * __u32 class, class_mask;
> - * kernel_ulong_t driver_data;
> + * These macros can be used with a struct declared like this:
> + *
> + * struct pci_device_id {
> + * __u32 vendor, device;
> + * __u32 subvendor, subdevice;
> + * __u32 class, class_mask;
> + * kernel_ulong_t driver_data;
> * };
> - * Don't use C99 here because "class" is reserved and we want to
> - * give userspace flexibility.
> + *
> + * First two fields may be __u16 if PCI_DEVICE_ANY is not used
PCI_DEVICE_ANY undefined?
Also you can surely use u16 just fine as long as you're careful when
comparing with ~0?
> */
> #define INTEL_VGA_DEVICE(id, info) { \
> 0x8086, id, \
> --
> 2.17.1
>
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--
Ville Syrjälä
Intel
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